Josh24russellgo Josh24russellgo Mathematics Answered I think I have part A but I'm stuck on B and C(a) The coordinate (-1,2) defines the centre of a circle. The coordinate (9, -22) lies on the circumference of this circle Find the equation for this circle.(b) Find the tangent to the circle at the point (9, -22).(c) Find the area of the triangle made with your tangent and the axis.